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Finding the Fourth Proportional to 133,810.17, 200,729.18 and 45,073.53

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Solution

The fourth proportional to 133,810.17, 200,729.18 and 45,073.53 is: 67,614.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,810.17 : 200,729.18 = 45,073.53 : x
  2. Step 2: Convert to fraction form
    133,810.17/200,729.18 = 45,073.53/x
  3. Step 3: Cross multiply
    133,810.17x = 200,729.18 × 45,073.53
  4. Step 4: Simplify right side
    133,810.17x = 9,047,572,491.24
  5. Step 5: Solve for x
    x = 9,047,572,491.24/133,810.17
  6. Step 6: Final answer
    x = 67,614.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.